Sensors & Input

SKU: EF-EF04094 | Brand: ElecFreaks

The Octopus Water Level Sensor detects water level using exposed parallel traces on the PCB. As the water level rises, more traces are submerged, producing a higher analogue signal output. Compatible with micro:bit (3...

SKU: SF-SEN-14727 | Brand: SparkFun

This miniature straight bar load cell (sometimes called a strain gauge) can translate up to 100g of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that cha...

SKU: SF-WRL-14875 | Brand: SparkFun

A compact 1/4-wave rubber duck antenna for LoRa and other 860–960MHz communication. With a centre frequency of 915MHz and 2dBi gain, this 110mm antenna is ideal for space-constrained LoRa nodes where a smaller antenna...

SKU: LB-LR0400 | Brand: Little Bird

A 1kg straight bar load cell (strain gauge) that converts applied force into a measurable electrical signal. Made from aluminium alloy with four strain gauges in a Wheatstone bridge configuration, this sensor is ideal...

SKU: LB-LR0240 | Brand: Little Bird

This compact sound module lets a microcontroller detect the presence of loud sounds using its onboard microphone.It is designed for sound detection rather than audio recording or interpretation. An Arduino can read th...

SKU: DF-DFR0094 | Brand: DFRobot

Infrared devices are widely used, and often for remote controlled devices. With this IR receiver, your Arduino project is now able to receive command from any IR remote controller. Well, it will be also easy...

SKU: DF-DFR0129 | Brand: DFRobot

A capacitive touch sensor kit for Arduino based on the MPR121 touch controller. Includes three interchangeable touch pads — a scroll wheel, a keypad with backlight support, and a grid pad for gesture and pattern recog...

SKU: AF-419 | Brand: Adafruit

Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. It's made of a thin, flexible membrane material with an adhesive backing (just remove the...

SKU: SF-SEN-10266 | Brand: SparkFun

Use this simple IR receiver for infrared remote control of your next project. With low power consumption and an easy to use package, it mates well with embedded electronics and can be used with common IR remotes. The...

SKU: SF-SEN-09375 | Brand: SparkFun

This is a force sensitive resistor with a round, 0.5" diameter, sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the ...

SKU: LB-LR0051 | Brand: Little Bird

A 4-channel relay module with opto-isolated inputs for safe, reliable switching of high-power loads. Each relay is rated for up to 10A at 250VAC or 30VDC, making it suitable for controlling lights, motors, heaters, an...

SKU: DF-SEN0565 | Brand: DFRobot

Fermion: MEMS Methane CH4 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA), minim...

SKU: DF-SEN0527 | Brand: DFRobot

The Fermion AHT20 is a high-precision, low-cost temperature and humidity sensor breakout from DFRobot. Built around an improved MEMS semiconductor capacitive humidity sensor element, it communicates over a standard I2...

SKU: EC-WCW32110W | Brand: Elecrow

The ESP-WROOM-32 is Espressif's powerful Wi-Fi, Bluetooth Classic, and BLE module built around the ESP32 dual-core processor. It's a versatile platform for IoT applications ranging from low-power sensor networks to de...

SKU: DF-SEN0374 | Brand: DFRobot

BNO055 is a new sensor IC for implementing an intelligent 9-axis Absolute Orientation Sensor. It is a System in Package, integrating a triaxial 14-bit accelerometer, a triaxial 16-bit gyroscope, a triaxial geomagnetic...

SKU: AF-4690 | Brand: Adafruit

Secure your project with biometrics - this all-in-one optical fingerprint sensor will make adding fingerprint detection and verification super simple. It's easy to use and more affordable than ever!These modules are t...

SKU: SF-KIT-16274 | Brand: SparkFun

The SparkFun micro:climate kit is a full weather station kit that is built on top of the weather:bit carrier board. Unlike previous weather kits we've carried, this micro:climate kit is Qwiic enabled and includes o...

SKU: EF-EF04019 | Brand: ElecFreaks

Temperature and humidity sensor is a module based on DHT11 digital temperature and humidity sensing element. Simple design, and sensitive to the ambient temperature and humidity changes, it can be used for temperature...

SKU: DF-DFR0576 | Brand: DFRobot

The Gravity I2C Multiplexer solves address conflicts when you need to connect multiple I²C devices that share the same fixed address. It provides eight independent I²C ports on a single bus, allowing up to eight ident...

SKU: LB-LR0214-80A | Brand: Little Bird

ESP-12F: breakthrough design, there are new breakthroughs. The new four-layer board design, the new revision antenna RF performance optimisation, compared to the communication from the ESP-12E increased by 30% to 50%!...